ca.nines.ise.cmd.Fragment.java Source code

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Here is the source code for ca.nines.ise.cmd.Fragment.java

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/*
 * Copyright (C) 2014 Michael Joyce <ubermichael@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation version 2.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package ca.nines.ise.cmd;

import ca.nines.ise.dom.DOM;
import ca.nines.ise.dom.DOM.DOMStatus;
import ca.nines.ise.dom.DOMBuilder;
import ca.nines.ise.writer.Writer;
import ca.nines.ise.writer.SGMLWriter;
import java.io.File;
import java.io.PrintStream;
import java.util.Locale;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Options;

/**
 * Modernize an old-spelling edition.
 *
 * @author Michael Joyce <ubermichael@gmail.com>
 */
public class Fragment extends Command {

    /**
     * {@inheritDoc}
     */
    @Override
    public String description() {
        return "Modernize the markup of an old-spelling edition.";
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void execute(CommandLine cmd) throws Exception {
        PrintStream out;
        Writer renderer;
        Locale.setDefault(Locale.ENGLISH);
        out = new PrintStream(System.out, true, "UTF-8");

        renderer = new SGMLWriter(out);
        String[] files = getArgList(cmd);
        if (files.length == 0) {
            System.err.println("At least one document is required.");
            System.exit(-1);
        }
        DOM dom = new DOMBuilder(new File(files[0])).build();
        if (dom.getStatus() == DOMStatus.ERROR) {
            System.err.println("Document contains errors. Cannot continue.");
            System.exit(-1);
        }

        int length = 2;
        if (cmd.hasOption("n")) {
            length = Integer.parseInt(cmd.getOptionValue("n"));
        }
        String tln = "1";
        if (cmd.hasOption("tln")) {
            tln = cmd.getOptionValue("tln");
        }

        dom = dom.getTlnFragment(tln, length);

        renderer.render(dom);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Options getOptions() {
        Options opts = new Options();
        opts.addOption("tln", true, "TLN to start from");
        opts.addOption("n", true, "Number of TLNs to include.");
        opts.addOption("xml", false, "Transform output to XML.");
        opts.addOption("text", false, "Transform output to UTF-8 (unicode) text.");
        opts.addOption("rtf", false, "Transform output to an RTF document.");
        return opts;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getUsage() {
        return "[options] file";
    }

}